C21D 8/1205
Involving particular fabrication steps or treatments of ingots or slabs
Official title: involving particular fabrication steps or treatments of ingots or slabs
C21D8/1205 (Involving particular fabrication steps or treatments of ingots or slabs) appears on 176 US grants and 189 published applications in this corpus.
Search patents in C21D- Granted patents
- 176
- Published applications
- 189
- Assignees
- 88
- Inventors
- 489
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 4 |
| 2003 | 5 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 4 | 2 |
| 2008 | 4 | 1 |
| 2009 | 0 | 7 |
| 2010 | 3 | 8 |
| 2011 | 4 | 3 |
| 2012 | 9 | 8 |
| 2013 | 1 | 1 |
| 2014 | 1 | 6 |
| 2015 | 2 | 7 |
| 2016 | 3 | 7 |
| 2017 | 5 | 3 |
| 2018 | 4 | 3 |
| 2019 | 5 | 8 |
| 2020 | 4 | 8 |
| 2021 | 6 | 13 |
| 2022 | 9 | 20 |
| 2023 | 6 | 16 |
| 2024 | 8 | 22 |
| 2025 | 19 | 20 |
| 2026 | 10 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Non-oriented electrical steel sheet, method for producing same, and hot-rolled steel sheet22 Sep 2026US 12,742,223 B2Nippon Steel Corporation
- Electrical steel sheet having insulating coating, method for producing the same, transformer core and transformer using the electrical steel sheet, and method for reducing dielectric loss in transformer4 Aug 2026US 12,700,528 B2Jfe Steel Corporation
- Method for producing grain-oriented electrical steel sheet23 Jun 2026US 12,662,724 B2Jfe Steel Corporation
- Method of manufacturing grain-oriented electrical steel sheet12 May 2026US 12,626,844 B2Jfe Steel Corporation
- Production method for non-oriented silicon steel and non-oriented silicon steel31 Mar 2026US 12,590,351 B2Institute of Research of Iron and Steel, Jiangsu Province/Sha-Steel, Co. Ltd (Cn) China
- Non-oriented electrical steel sheet, motor core, and motor13 Aug 2026US 2026/0234763 A1Nippon Steel Corporation
- Non-oriented electrical steel sheet, sra heat treated non-oriented electrical steel sheet and manufacturing methods therefor23 Jul 2026US 2026/0209880 A1Posco
- Method for producing non-oriented electrical steel sheet25 Jun 2026US 2026/0176729 A1Jfe Steel Corporation
- Non-oriented electrical steel and a method of manufacturing non-oriented electrical steel thereof11 Jun 2026US 2026/0159913 A1
- Non-oriented electrical steel and a method of manufacturing non-oriented electrical steel thereof16 Apr 2026US 2026/0103783 A1
Most cited
By later US patents
- Bit allocation method for controlling transmission rate of video encoder41US 5,532,746 AKorea Telecommunication Authority · 1996
- Permanent magnet manufacture from very low coercivity crystalline rare earth-transition metal-boron alloy23US 4,921,551 AGeneral Motors Corporation · 1990
- Magnetic and mechanical properties of amorphous alloys by pulse high current23US 4,950,337 AChina Steel Corporation · 1990
- Amorphous press formed sections22US 4,529,457 AAllied Corporation · 1985
- Isothermal hold method of hot working of amorphous alloys22US 4,715,906 AGeneral Electric Company · 1987